#Kameken Gasc & Charconnet Focal length unknown Accessories: Front cap Traces of mold removal present (Appears no new mold is forming) Scratches from polishing Slight clouding when illuminated with strong LED light. It seems to be unnoticeable in natural light. Founded in Paris, France in the mid-1800s. I believe the lens being offered is also from this manufacturer, which was known for producing high-performance Petzval lenses. This is a valuable lens with the manufacturer's name and serial number engraved on the brass exterior. It seems this lens was manufactured around the time of the Meiji Restoration in Japan, so it's already at least 130 years old, making it a genuine antique lens. I'd like to see how it photographs, but the lens itself seems to be for an 8x10 camera, and there are so few of them in existence that there are no examples published online. In modern times, someone with skillful hands might be able to create an adapter to mount it on a full-frame or large-format camera. The condition isn't the best, but I hope it will be cherished by collectors. If you purchase multiple items, I will offer a discount on the shipping cost by combining them. Please contact me before purchasing. I have confirmed that there are no cracks or breaks, but I cannot check for minute scratches from manufacturing, shipping, or normal display in stores, so please understand that this is a used item. I store the item in a clean condition, and I will disinfect it with alcohol before shipping. Regarding the item, I also sell it on auctions, flea market apps, and in person, so the inventory may be gone depending on the timing. The nearest post office is closed on weekends and holidays, so if you win the bid during that time, the item will be shipped after the holiday. Thank you.